From: Shawn Guo <shawnguo@kernel.org>
To: Andrejs Cainikovs <andrejs.cainikovs@gmail.com>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Andrejs Cainikovs <andrejs.cainikovs@toradex.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v1 2/2] ARM: dts: imx6q-apalis: add can power-up delay on ixora board
Date: Mon, 27 Nov 2023 10:52:18 +0800 [thread overview]
Message-ID: <20231127025218.GR87953@dragon> (raw)
In-Reply-To: <20231020153022.57858-3-andrejs.cainikovs@gmail.com>
On Fri, Oct 20, 2023 at 05:30:22PM +0200, Andrejs Cainikovs wrote:
> From: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
>
> Newer variants of Ixora boards require a power-up delay when powering up
> the CAN transceiver of up to 1ms.
>
> Cc: stable@vger.kernel.org
Why is only the iMX6 change required for stable?
Shawn
> Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
> ---
> arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
> index 717decda0ceb..3ac7a4501620 100644
> --- a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
> +++ b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
> @@ -76,6 +76,7 @@ reg_can1_supply: regulator-can1-supply {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_enable_can1_power>;
> regulator-name = "can1_supply";
> + startup-delay-us = <1000>;
> };
>
> reg_can2_supply: regulator-can2-supply {
> @@ -85,6 +86,7 @@ reg_can2_supply: regulator-can2-supply {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_enable_can2_power>;
> regulator-name = "can2_supply";
> + startup-delay-us = <1000>;
> };
> };
>
> --
> 2.34.1
>
next prev parent reply other threads:[~2023-11-27 2:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-20 15:30 [PATCH v1 0/2] imx6/imx8-apalis: add can power-up delay on ixora board Andrejs Cainikovs
2023-10-20 15:30 ` [PATCH v1 1/2] arm64: dts: imx8-apalis: " Andrejs Cainikovs
2023-10-20 15:30 ` [PATCH v1 2/2] ARM: dts: imx6q-apalis: " Andrejs Cainikovs
2023-11-27 2:52 ` Shawn Guo [this message]
2023-11-27 10:13 ` Francesco Dolcini
2023-12-05 8:22 ` [PATCH v1 0/2] imx6/imx8-apalis: " Shawn Guo
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